Fig. 5From: The influence of early thoracic fusion on the pulmonary function of patients with idiopathic scoliosis in the early period of the second growth peak with different Risser signsFollow-up pulmonary function tests (PFTs). FEV1, forced expiratory volume in 1 s; FVC, forced vital capacity; TLC, total lung capacity; VC, vital capacity; FEV1%, the percentage predicted values of FEV1; FVC%, the percentage predicted values of FVC. *p < 0.05Back to article page